org.apache.accumulo.core.constraints

Class VisibilityConstraint

java.lang.Object

org.apache.accumulo.core.constraints.VisibilityConstraint

All Implemented Interfaces:

Constraint

Direct Known Subclasses:

VisibilityConstraint

public class VisibilityConstraint
extends Object
implements Constraint

A constraint that checks the visibility of columns against the actor's authorizations. Violation codes:

• 1 = failure to parse visibility expression
• 2 = insufficient authorization

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.accumulo.core.constraints.Constraint

Constraint.Environment

Constructor Summary

Constructors

Constructor and Description
VisibilityConstraint()

Method Summary

Methods

Modifier and Type	Method and Description
List<Short>	check(Constraint.Environment env, Mutation mutation) Checks a mutation for constraint violations.
String	getViolationDescription(short violationCode) Gets a short, one-sentence description of what a given violation code means.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VisibilityConstraint

public VisibilityConstraint()

Method Detail

getViolationDescription

public String getViolationDescription(short violationCode)

Description copied from interface: Constraint

Gets a short, one-sentence description of what a given violation code means.

Specified by:

getViolationDescription in interface Constraint

Parameters:

violationCode - numeric violation code

Returns:

matching violation description

check

public List<Short> check(Constraint.Environment env,
                Mutation mutation)

Description copied from interface: Constraint

Checks a mutation for constraint violations. If the mutation contains no violations, returns null. Otherwise, returns a list of violation codes. Violation codes must be non-negative. Negative violation codes are reserved for system use.

Specified by:

check in interface Constraint

Parameters:

env - constraint environment

mutation - mutation to check

Returns:

list of violation codes, or null if none